| huguenotsocietyofamerica.org | Huguenot Society of America |
| hpa.org | Heritage Preservation Association |
| uh.edu | The Gilder Lehrman Institute of American History |
| friendslittlebighorn.com | Friends of the Little Bighorn Battlefield |
| fortsmithhistory.com | Fort Smith Historical Society Inc. |
| farmsresearch.com | Foundation for Ancient Research and Mormon Studies |
| lhf.org | Living History Farms |
| lewisandclark200.org | Lewis and Clark Bicentennial Council |
| lewisandclark.org | Lewis and Clark Trail Heritage Foundation |
| lawcha.org | Labor and Working Class History Association |
United States , Michigan , Rock